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China formulated national standards on cotton packaging. On May 24, 2007, China formulated national standards on cotton packaging in order to protect human safety and the environment. The standard stipulates the overall dimensions, package weight, packaging materials, package, packaging methods, package marks and test methods of enhancing the contribution of scientific and technological innovation to the development of enterprises. The standard is applicable to cotton packaging. It is also suitable for cotton linter packaging. 1 set of special device, and 4.41 spindles and their driving system are designed for type I and III packages in article 3.1.2 of the standard. The spindle (1) is composed of Panasonic exchange electromechanical (2) and pwmc pulse width speed regulation control system. The rated torque of the electromechanical system is 9.545n · m, the pulse width speed regulation range is 10 ⑵ 000r/min, stepless constant torque, and the high-speed accuracy is 1% The maximum power of the electromechanical system is about 1.5KW, and the upper bars, 4.7, 5.1.1, 5.1.3 and 5 of the main shaft (1) and electromechanical system (2) improve the settlement threshold of industrial projects Articles 2.1, 5.2.2 and 5.2.4 are mandatory, and the rest are recommended. The products involved are: cotton packaging, packaging materials and binding materials

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